|
Number of combinations in every urban stratum |
|||
| Central zone |
First urbanised belt |
Second urbanised belt |
|
|
|
|||
| Number of villages |
25 |
67 |
56 |
| Number of possible groups of 3 adjacent villages |
102 |
209 |
92 |
| Number of possible combinations of 3 groups of 3 adjacent villages |
46 828 |
999 140 |
60 225 |
| Number of possible combinations of 3 groups of 3 adjacent villages which respect proportions of urbanization types. |
6 819 |
10 851 |
2 408 |
Vallée et al. Emerging Themes in Epidemiology 2007 4:6 doi:10.1186/1742-7622-4-6 |
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